# 2642

## 2,642 is an even composite number composed of two prime numbers multiplied together.

What does the number 2642 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

2642 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 2642:

### 2 × 1321

See below for interesting mathematical facts about the number 2642 from the Numbermatics database.

### Names of 2642

• Cardinal: 2642 can be written as Two thousand, six hundred forty-two.

### Scientific notation

• Scientific notation: 2.642 × 103

### Factors of 2642

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1323

### Divisors of 2642

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 3966
• Sum of proper divisors (its aliquot sum) s(n): 1324
• 2642 is a deficient number, because the sum of its proper divisors (1324) is less than itself. Its deficiency is 1318

### Bases of 2642

• Binary: 1010010100102
• Base-36: 21E

### Squares and roots of 2642

• 2642 squared (26422) is 6980164
• 2642 cubed (26423) is 18441593288
• The square root of 2642 is 51.4003891035
• The cube root of 2642 is 13.8243356917

### Scales and comparisons

How big is 2642?
• 2,642 seconds is equal to 44 minutes, 2 seconds.
• To count from 1 to 2,642 would take you about forty-four minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 2642 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2642

• 2642 backwards is 2462
• The number of decimal digits it has is: 4
• The sum of 2642's digits is 14
• More coming soon!